The top five reasons to unfriend someone on Facebook, the best Taco Bell food hack you've never heard about, a new tool that maps your DNA back 1,000 years, and a breakdown of Amazon and Twitter's new product, #AmazonCart.

The top five reasons to unfriend someone on Facebook, the best Taco Bell food hack you've never heard about, a new tool that maps your DNA back 1,000 years, and a breakdown of Amazon and Twitter's new product, #AmazonCart.